<template>
  <div>
    <el-container>
      <el-header>
        <img class="mlogo" src="https://www.markerhub.com/dist/images/logo/markerhub-logo.png" alt />
      </el-header>

      <el-main>
        <el-form
          :model="ruleForm"
          :rules="rules"
          ref="ruleForm"
          label-width="100px"
          class="demo-ruleForm"
        >
          <el-form-item label="用户名" prop="username">
            <el-input v-model="ruleForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input type="password" v-model="ruleForm.password"></el-input>
          </el-form-item>

          <el-form-item>
            <el-button type="primary" @click="submitForm('ruleForm')">立即创建</el-button>
            <el-button @click="resetForm('ruleForm')">重置</el-button>
          </el-form-item>
        </el-form>
      </el-main>
    </el-container>
  </div>
</template>

<script>
  export default {
    name: "Login",
    data() {
      return {
        ruleForm: {
          username: '',
          password: ''
        },
        rules: {
          username: [
            { required: true, message: '请输入用户名', trigger: 'blur' },
            { min: 3, max: 15, message: '长度在 3 到 15 个字符', trigger: 'blur' }
          ],
          password: [
            { required: true, message: '请输入密码', trigger: 'change' }
          ]       
        }
      };
    },
    methods: {
      submitForm(formName) {
        this.$refs[formName].validate((valid) => {
          if (valid) {
            //想用全局的this所以先保存起来
            const _this = this
            this.$axios.post('/login',this.ruleForm)
                .then(res => {
                    //用vuex保存token和用户信息
                    const jwt = res.headers['authorization']
                    const userInfo = res.data.data
                    _this.$store.commit("SET_TOKEN",jwt)
                    _this.$store.commit("SET_USERINRO",userInfo)

                    //登陆成功跳转详情页面
                    _this.$router.push("/blogs")
                })
          } else {
            console.log('error submit!!');
            return false;
          }
        });
      },
      resetForm(formName) {
        this.$refs[formName].resetFields();
      }
    }
  }
</script>

<style scoped>
.el-header,
.el-footer {
  background-color: #b3c0d1;
  color: #333;
  text-align: center;
  line-height: 60px;
}

.el-aside {
  background-color: #d3dce6;
  color: #333;
  text-align: center;
  line-height: 200px;
}

.el-main {
  /* background-color: #E9EEF3; */
  color: #333;
  text-align: center;
  line-height: 160px;
}

body > .el-container {
  margin-bottom: 40px;
}

.el-container:nth-child(5) .el-aside,
.el-container:nth-child(6) .el-aside {
  line-height: 260px;
}

.el-container:nth-child(7) .el-aside {
  line-height: 320px;
}

.mlogo {
  height: 60%;
  margin-top: 10px;
}

.demo-ruleForm{
    max-width: 500px;
    margin: 0 auto;
}
</style>